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It may also be worth noting that they said they now have a system in place that records highly unlikely outcomes so they can keep track of how often they are occurring in actual gameplay. This means they are at least not blind to the results their new algorithm is producing and should hopefully be able to asses things and adjust accordingly.
Well, no matter how stacked the odds are, there is only one case where attacker loses all and defender loses none. You should play the lottery if you are getting a 1 out of 357,737 chance 3/5 of the time.